- Double Stars (Tri) -

And (43) Cet (1) Del (4) Lib (1) Per (27) UMi (1)
Aql (9) CMa (2) Dra (11) LMi (6) Psc (10) Vir (9)
Ari (8) Cnc (10) Equ (5) Lyn (18) Pup (1) Vul (3)
Aur (28) Com (8) Eri (1) Lyr (11) Ser (3)
Boo (20) CrB (4) Gem (22) Mon (1) Sex (2)
Cam (11) Crv (1) Her (16) Oph (1) Tau (11)
Cas (17) CVn (11) Hya (4) Ori (9) Tri (4)
Cep (13) Cyg (26) Leo (24) Peg (16) UMa (37)

STF 219 (**)
Name: STF219
Type: **
Constellation: Tri
Coordinates: 02h10m16.10s / +33°21'55.20"

Components:
m1 m2 ρ θ Year
8m0 8m9 11.7" 186° 2015
Robert Zebahl
B 16x70, Bortle 6, SQM-L 19.2
2020-11-07: Immediately visible elongated, partly separated.
55mm f/9.1, 25x, Bortle 6, NELM 5m0+, SQM-L 19.1
Well separated with noticeable difference in brightness.

STF 227 (**)
Name: STF227, iota Tri, 6 Tri
Type: **
Constellation: Tri
Coordinates: 02h12m22.28s / +30°18'11.10"

Components:
m1 m2 ρ θ Year
5m3 6m7 3.7" 69° 2016
Robert Zebahl
70mm f/5.7, 57x
At 44x even separable with a clear difference in brightness, whereby the companion is almost outshone by the primary component. At 57x easy to separate. Primary component shines in bright orange, companion slightly orange. Beautiful sight together with STF232 in one field of view!

../sketches/2019-12-12_6_tri_stf232.jpg

STF 232 (**)
Name: STF232
Type: **
Constellation: Tri
Coordinates: 02h14m42.16s / +30°23'41.20"

Components:
m1 m2 ρ θ Year
7m8 7m9 6.5" 66° 2016
Robert Zebahl
70mm f/5.7, 22x
Very beautiful view! With all used magnifications together with iota Tri (6 Tri) in one field of view. Separable at 22x, but the components are still quite close together and appear similarly bright. At 44x easy to separate with little difference in brightness. At 57x a very small color difference is visible without being able to clearly name the colors. STF232 was sketched together with 6 Tri.

STF 239 (**)
Name: STF239
Type: **
Constellation: Tri
Coordinates: 02h17m25.29s / +28°44'42.10"

Components:
m1 m2 ρ θ Year
7m1 7m8 13.6" 212° 2017
Robert Zebahl
B 16x70, Bortle 6, SQM-L 19.2
2020-11-07: Very nicely embedded in group of brighter and medium bright stars. Components relatively tight with little difference in brightness. Colorwise inconspicuous. Forms a trapezoid with three other stars in the north.
55mm f/9.1, 25x, Bortle 6, NELM 5m0+, SQM-L 19.1
Easy to split, large distance, noticeable difference in brightness.